Heavy-duty scissor jack



FIG. 1 is a right elevation view of a first embodiment of a heavy-duty scissor jack showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a left elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top, front, left side perspective view thereof;

FIG. 8 is bottom, front, right side perspective view thereof;

FIG. 9 is a bottom, rear right side perspective view thereof;

FIG. 10 is a top, rear, left side perspective view thereof;

FIG. 11 is a partially assembled top, front, right side view thereof;

FIG. 12 is a partially assembled top, front, right side view of a second embodiment of a heavy-duty scissor jack. The only difference being the upper and lower rails are shown with a symbolic break in their length.

FIG. 13 is a partially assembled top, front, right side view of a third embodiment of a heavy-duty scissor jack.

The only difference being a change in top hardware;

FIG. 14 is a right elevation view of the first embodiment, shown in an alternate configuration;

FIG. 15 is a front elevation view thereof;

FIG. 16 is a left elevation view thereof;

FIG. 17 is a rear elevation view thereof;

FIG. 18 is a top plan view thereof;

FIG. 19 is a bottom plan view thereof;

FIG. 20 is a top, front, left side perspective view thereof;

FIG. 21 is a bottom, front, right side perspective view thereof;

FIG. 22 is a bottom, rear, right side perspective view thereof; and,

FIG. 23 is a top, rear, left side perspective view thereof.

As shown in FIG. 12 , regarding the symbolic sets of break lines in the rail lengths, the appearance of any portion of the article between each of the sets of break lines forms no part of the claimed design. 

CLAIM The ornamental design for a heavy-duty scissor jack, as shown and described. 